[ noun ] a girl who behaves in a boyish manner <noun.person>
Tomboy \Tom"boy`\, n. [Tom (for Thomas, L. Thomas, fr. Gr. ? )+ boy.] A romping girl; a hoiden. [Colloq.] --J. Fletcher.
I was a bookworm and a tomboy and very shy.
Only with a needless sub-plot involving tomboy Thora Birch and her wayward father does the film go over the top. A very different form of sentimentality is at work in Autobus, a witty and anarchic look at youthful alienation, French style.